book 6 unit 1 laughter is good for you ⅰ.单项填空 1．there are flowers and trees shown in the park and people go to have a look. a．a plenty of；many b．varieties of；various of c．various；many d．quite a few；quite a little 答案 c 解析 various不同种类的，各种各样的，作定语相当于a variety of或varieties of。 2．i found the talk on healthy eating very . a．instruction b．instructed c．instructive d．instructing 答案 c 解析 句意为：我发现有关健康饮食的谈论很有益。instructive有益的，符合语境。 3．with so many unsolved matters his mind
